LOCUSTIDiE. I*.! 



55. Gryllachis venosa. 



Fcem. Rufescente fulva ; prothoraeis sulcis duobus angulosis longitudin- 

 alibus ; oviductus subarcuatus, abdomine cequilongus ; pedes bre- 

 viusculi ; alee albida ; alee anlicce nigro venosa, venulis transrersis 

 plurimis bene determinatis ; alec postica fusco venosa. 



Female. Reddish tawny, smooth, shining. Head very little broader 

 than the prothorax, prominent and not furrowed between the sockets of the 

 antenna?. Eyes prominent. Fifth joint of the maxillary palpi sub- 

 clavate, somewhat longer than the fourth; third joint of the labial palpi 

 clavate. Prothorax transverse, with a zigzag furrow on each side; fore 

 border and hind border slightly reflexed. Oviduct slightly curved, as long 

 as the abdomen. Legs rather short; hind femora with nine minute spines 

 on the outer side and with twelve on the inner side; four anterior tibiae 

 with rather shorter teeth than those of the more typical species; hind tibiae 

 with four rather short spines on each side and with two apical spines. 

 Wings whitish. Fore wings as long as the hind wings ; veins black ; twelve 

 longitudinal veins, a few of them forked; transverse sectors very numerous, 

 nearly all regular. Hind wings with brown veins; eight lines of transverse 

 sectors, those towards the base irregular. Length of the body 13 lines; of 

 the wings 27 lines. 



The more regular and less oblique transverse sectors distinguish it 

 from most species of the genus. 



Sarawak. In Mr. Saunders' collection. 



56. Gryllacris gracilis. 



Mas. Pallide lutea, gracilis ; caput prothoraee vix lalius, inter oculos 

 subprominulum, vertice piceo bimaculato ; palporum articulus ous 

 apice piceus et incrassatus ; prothorax sulcis duobus obliquis, lituris 

 duabus nig r is fere V-formibus ; pedes sat yraciles, femoribus poslicis 

 biseriatim quadrispinosis, tibiis posticis biseriatim sexspinosis ; aim 

 diaphance, corpore duplo longiores, venis pallide testaceis, apud costani 

 basifulvis. Foem. — Vertex macula transversa, fascia arcuata inler- 

 rupta guUisque duabus anterioribus niyris ; oviductus rectus, corpore 

 vix brevior ; ala? corpore paullo longiores. 



Male. Pale luteous, slender, smooth, shining. Head hardly broader 

 lhau the prothorax, slightly prominent between the eyes; vertex with a 

 piceous spot on each side. Eyes piceous, prominent. Palpi pale yellow; 

 fourth joint longer than the third; fifth hardly shorter than the fourth, 

 piceous and incrassaled at the tip. Prothorax transverse, with an oblique 

 furrow and a black nearly V-shaped mark on each side; borders slightly 

 reflexed. Legs rather slender, moderately long; hind femora black 

 beneath towards the tips, with four minute black spines on each side 

 beneath; hind tibia; with six minute black-tipped spines on each side: 

 tarsi tawny, broad. Wings pellucid, about twice the length of the body; 

 veins pale testaceous. Fore wings with a slight testaceous tinge in the 



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